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I have patches of gray-green powdery residue on the foliage of my rose bush. What’s wrong?

April 26, 2017Bush foliage gray-green patches powdery Residue Rose wrong

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I have patches of gray-green powdery residue on the foliage of my rose bush. What’s wrong?

1 Answer

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This is an indication of a fungus called powdery mildew, which is a very common problem to find on roses. Spray with Orthenex, Greenlight Fung-Away, or Greenlight Neem Oil.